| Musician | Appearances |
|---|---|
| Ozzy Osbourne | 16 albums |
| Zakk Wylde | 8 albums |
| Bob Daisley | 6 albums |
| Randy Castillo | 5 albums |
| Mike Bordin | 4 albums |
| John Sinclair | 4 albums |
| Tommy Aldridge | 3 albums |
| Geezer Butler | 3 albums |
| Lee Kerslake | 3 albums |
| Randy Rhoads | 3 albums |
| Don Airey | 2 albums |
| Jake E. Lee | 2 albums |
| Rob "Blasko" Nicholson | 2 albums |
| Rudy Sarzo | 2 albums |
| Robert Trujillo | 2 albums |
| Michael Beinhorn | 1 album |
| Lindsay Bridgwater | 1 album |
| Jerry Cantrell | 1 album |
| Deen Castronovo | 1 album |
| Kevin Churko | 1 album |
| Johnny Cook | 1 album |
| Brad Gillis | 1 album |
| Ian Hunter | 1 album |
| Mike Inez | 1 album |
| Tony Iommi | 1 album |
| Kevin Jones | 1 album |
| Konstantinos "Gus G" Karamitroudis | 1 album |
| Mike Moran | 1 album |
| Tim Palmer | 1 album |
| Michael Railo | 1 album |
| Robert Randolph | 1 album |
| Danny Saber | 1 album |
| Phil Soussan | 1 album |
| Adam Wakeman | 1 album |
| Rick Wakeman | 1 album |
| Bill Ward | 1 album |
| Leslie West | 1 album |
| Chris Wyse | 1 album |